Composition for pipes and railroad-ties.



can squares rarnnrornioa.

FERDINAND A. LOBERT, OF SAN DIEGO, CALIFORNIA; G. P. EVANS, ADMINISTRATOR OF SAID LOBERT, DECEASED, ASSIGNOR, BY MESNE ASSIGNMENTS, TU CIGEBO P.

EVANS, OF SAN DIEGO, CALIFORNIA.

COMPOSITION FOR PIPES AND RAILROAD-TIES.

1,124,0'4L5. No Drawing.

new and useful Improvements .in Compo sition for Pipes and Railroad-Ties; and I do declare the following to be a full, clear, a nd exact description of the invention, such as will enable others skilled in the art to I which it appertains to make and use the SHDIQ. I

This invention relates to a composition of Rock asphaltum Karl asphalturm- Marl Asbestos. Sulfur Q.

Salt seaweed These ingredients are combined, subjected to a gentle heat and thoroughly mixed after which the composition is placed in suitable molds in a plastic state and allowed to harden.' iPipes, receptacles or other articles formed of this composition will not be afiected by extreme heat or cold and will resist a pressure of 250 pounds to a square inch.

I claim as my invention:

il composition for pipes and railroad ties consisting of rock asphaltum, one ounce,

Specification of Letters Patent.

Patented Jan. 5, was,

Application filed March a. 1913. se'r'ia no. 7515504.

matter especially designed for the manufacture of pipes and railway ties. 15

- The object of the invention is to provide a composition of this character whichwill be indestructible by excessive heat or-cold and will be water proof.

Another object isto provide a composition 2a which will withstand a great amount of pressure. p

The composition consists of the following ingredients combined in the proportions stated, to Wit:

1 ounce.

1 ounce. up- 15 ounces.

ounce. ounce. 1 ounce. 2 ounces.

karl asphaltum, one ounce, marl, 15 ounces,

asbestos, one-half ounce, sulfur, one-half ounce, salt, one ounce, seaweed, two ounces.

Intestimony whereof I have hereunto set at my hand in presence of two subscribing Witnesses. v

FERDINAND A. LOBERT.

Witnesses AUGUST SPANN, S. J. l/Vmna 

